![Astronomy for high schools and colleges . e centre of convergence ;/, the distance of its image from the centre of divergence ; thenthe equation which determines/will be1 1 1 or, Astronomy for high schools and colleges . e centre of convergence ;/, the distance of its image from the centre of divergence ; thenthe equation which determines/will be1 1 1 or,](https://c8.alamy.com/comp/2CH7R3G/astronomy-for-high-schools-and-colleges-e-centre-of-convergence-the-distance-of-its-image-from-the-centre-of-divergence-thenthe-equation-which-determineswill-be1-1-1-or-f=-lh-f=-ii-from-these-equations-may-be-found-the-focal-length-having-thedistance-at-which-the-image-of-an-object-is-formed-or-mce-versa-66-astronomy-2-reflecting-telescopes-as-we-have-seen-the-most-essential-part-of-a-refractingtelescope-is-the-objective-which-brings-all-the-incidentrajs-from-an-object-to-one-focus-forming-there-an-imageof-thai-object-in-reflecting-telescopes-reflectors-theobjective-2CH7R3G.jpg)
Astronomy for high schools and colleges . e centre of convergence ;/, the distance of its image from the centre of divergence ; thenthe equation which determines/will be1 1 1 or,
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Confused with scope focal length - what am I missing? - Beginners Forum (No astrophotography) - Cloudy Nights
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